and earl heads to canada. >> the search continues. police are conducting an inch-by-inch investigation of a pittsburg landfill, looking for signs of the man they fear is the victim of a bizarre crime spree. >> reporter: the search is taking place up the hill behind me. now, just when the volunteers will be back tomorrow and the search could last a full week. that's because no new evidence has been found. >> there is a lot of debris here. it is very time-consuming. >> reporter: sifting through one acre of land and 3,000 tons of trash is taking days. the landfill is the strongest lead. >> looking for -- >> we're looking for anything. >> reporter: fred lick -- frederick is still missing. his father was found bludgeoned to death in this home. the owner of the home is dead, too. police believe one man attacked the man and his son because he felt one of them might be involved with tran. police are think the man strangled his girlfriend before he was shot to death in a confrontation with police tuesday night. now four days later, investigato